ASoC: fixes to caching implementations
This patch takes fixes a number of bugs in the caching code used by
several ASoC codec drivers. Mostly off-by-one fixes.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c
index 6b27786..f93c095 100644
--- a/sound/soc/codecs/wm8990.c
+++ b/sound/soc/codecs/wm8990.c
@@ -116,7 +116,7 @@
unsigned int reg)
{
u16 *cache = codec->reg_cache;
- BUG_ON(reg > (ARRAY_SIZE(wm8990_reg)) - 1);
+ BUG_ON(reg >= ARRAY_SIZE(wm8990_reg));
return cache[reg];
}
@@ -129,7 +129,7 @@
u16 *cache = codec->reg_cache;
/* Reset register and reserved registers are uncached */
- if (reg == 0 || reg > ARRAY_SIZE(wm8990_reg) - 1)
+ if (reg == 0 || reg >= ARRAY_SIZE(wm8990_reg))
return;
cache[reg] = value;